john sasaki, ktvu news. >> and live storm tracker 2 is showing an increase in the rainfall across parts of the bay area. that trend will continue in the next couple of hours. you can see the live doppler sweep and reports of rainfall. san francisco, oakland, san mateo, palo alto and the fremont area. here we go significant rainfall. heavier down the creek. as far as the expectations with this system the second storm system moves through the night. a wind advisory and high surf advisory kicks in tomorrow. here is the forecast model it is speeding up the timing a little bit. this is a change. we could be talking about heavy rain as early as friday morning. that's a recent change with this rainfall forecast model. coming up and we'll take a look at pretty impressive rainfall expected with this system and another one that will move in just in time for your weekend. >>> people who live in the santa cruz mountains take a close look at the trees as they see high winds moving in. the cruz family has been keeping a close eye at this rotted tree, they say removing it will help them sleep a bit be